///load cities into the single city range combo box
private void loadCities()
{
string city = ""; //variable to hold the current city
JSONconnection js = new JSONconnection(); //Instance of the JSONconnection class to use the JSON methods
List <WeatherModel> weath = new List <WeatherModel>(); //List to store all the weather data
ArrayList cities = new ArrayList(); //Arraylist to hold the cities
weath = js.readWeatherFile(); //use the json method to get all the weather data and store it in the list
foreach (WeatherModel vals in weath) //cycle through list to find all the cities
{
string store = vals.City;
cities.Add(store);
}
cities.Sort(); // sort the list in alphabetical order so that you can extract each city and not repeat a city
foreach (string item in cities)
{
if (!city.Equals(item))
{
city = item;
cboCity2.Items.Add(city); //add the items to the combo box
}
}
}
// Change the user's preferred temp unit then close this form
private void btnApply_Click(object sender, EventArgs e)
{
JSONconnection js = new JSONconnection(); //Instance of the JSONconnection class to user JSON methods
if (radCelsius.Checked == true) //if the celsius button is checked change the user's preference to celsius
{
fUser.IsCelsius = true;
}
else //if the fahrenheit button is checked change the user's preferrence to fahrenheit
{
fUser.IsCelsius = false;
}
if (js.changeUserPreference(fUser)) //Save this changes to the file
{
MessageBox.Show("User preference successfully changed");
ForecasterMenu fm = new ForecasterMenu(fUser);
this.Hide();
fm.Show();
}
else
{
MessageBox.Show("User preference could not be changed, please try again", "Change error");
}
}
//Start of helper methods
//--------------------------
//This method will get all the weather data from the file
private List <WeatherModel> getWeatherData()
{
JSONconnection js = new JSONconnection(); //create an instance of the weather class
List <WeatherModel> list = new List <WeatherModel>(); // to store the weather data
list = js.readWeatherFile(); //retrieve all the weather data and store inside the list
foreach (WeatherModel item in list)
{
item.convertUnit(fUser.IsCelsius); //Convert the data to the user's preferred temperature unit
}
return(list); //return the weather data
}
//start of hellper methods
//-------------------------
private List <WeatherModel> getWeatherData()
{
JSONconnection js = new JSONconnection();
List <WeatherModel> list = new List <WeatherModel>();
list = js.readWeatherFile();
foreach (WeatherModel item in list)
{
item.convertUnit(fUser.IsCelsius);
}
return(list);
}
//Method to handle the user login
private void btnSignIn_Click_1(object sender, EventArgs e)
{
JSONconnection js = new JSONconnection(); //Onstance of the JSONConnection class to use the JSON methods
UserModel user = new UserModel(); //User model that will be used to store the found user
user = js.login(txtUsername.Text, txtPassword.Text); //Capture the username and password from the textboxes and pass them into the JSON login method
if (user.FName != null) //If there there was a user found on the system
{
if (user.FName.Equals("no users available")) //This will determine if there are no users registered on the system
{
DialogResult dr = MessageBox.Show("There are no users registered on the system. would you like to sign up?", "No Users", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
if (dr == DialogResult.Yes) //Send the user to the sign up page
{
signup sg = new signup();
sg.Show();
this.Hide();
}
}
else if (user.Type.Equals("general user")) //If the user found is a general user open the general user side of the application
{
Dashboard ds = new Dashboard(user);
this.Hide();
ds.Show();
}
else //If the user found is a forecaster open the Forecaster side of the application
{
ForecasterMenu fm = new ForecasterMenu(user);
this.Hide();
fm.Show();
}
}
else // if the user credentials are incorrect display an error message and clear all fields
{
MessageBox.Show("User could not be found... Please check your credentials");
txtUsername.Clear();
txtPassword.Clear();
}
}
//Helper methods end
//---------------------------------
//Start events
//---------------------------------
//Event that change the user's password
private void btnChangeLogin_Click(object sender, EventArgs e)
{
string password = txtPassword.Text; //String to store the password entered in the textbox
string username = gUser.UserName; //String to store the username of the user logged in
//Perform error check on the text box
if (string.IsNullOrEmpty(txtPassword.Text)) //check if the field is empty
{
MessageBox.Show("Please enter a password first", "Password empty", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else //If there are no error
{
JSONconnection js = new JSONconnection(); // create an instance of JSON class to use JSON methods
if (js.changePassword(username, password)) // call the change username password, if trure is returned the password has been successfuly changed
{
MessageBox.Show("Password successfully changed");
}
else //The password could not be changed
{
MessageBox.Show("Password change unsuccessful. Please try again", "Password change error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
//Begin helper methods
//---------------------------------
//method to set information according to the users preffered city
public void PreferedData(UserModel gUser, bool nextCity = false)
{
JSONconnection js = new JSONconnection(); //Create a connection to the JSON class
weath = js.readWeatherFile(); //Get all the forecasts and store them in a list of weather models
if (weath != null) //if the weather file is not empty attempt to populate the user's preffered information
{
if (gUser != null) //If the user is not found is not a null value attempt to populate the display with correct info
{
// Variable to store the weatehr values
string city;
double min;
double max;
double precip;
double humidity;
int cloud;
string userCity = "";
if (nextCity == false) //If the user wants to see thy're home city
{
userCity = gUser._homeCity;
}
else //If the user has not specified that they want to see the next stored city
{
foreach (string item in gUser.prefferedCities)
{
if (!currentCity.Equals(item) && !previousCity.Equals(item))
{
userCity = item;//store the user's city as the next extra city
previousCity = currentCity;
currentCity = item;
break;
}
}
}
//Check the user's preferred temperature unit
if (gUser.IsCelsius)
{
unit = "C";
}
else
{
unit = "F";
}
foreach (WeatherModel w in weath)
{
if (w.City.Equals(userCity) && w.Date == DateTime.Today)
{
w.convertUnit(gUser.IsCelsius); //Convert the unit of emasure if they user's and the weather file do not correspond
city = w.City;
max = w.Max;
min = w.Min;
precip = w.Precipitation;
humidity = w.Humidity;
cloud = w.CloudCover;
//set the display based on the corresponding values found in the weather file
lblCity.Text = "Weather in " + city + " today";
lblMax.Text = Convert.ToString(max) + "°" + unit;
lblMin.Text = Convert.ToString(min) + "°" + unit;
lblPrecip.Text = Convert.ToString(precip) + "%";
lblHumidity.Text = Convert.ToString(humidity) + "%";
//set the picture box based on the value that i9s found in the weather file
if (cloud == 1)
{
pBoxSunny.Visible = true;
pBoxPartlyCloudy.Visible = false;
pBoxCloudy.Visible = false;
pBoxStormy.Visible = false;
lblCloudCover.Text = "Sunny";
}
else if (cloud == 2)
{
pBoxSunny.Visible = false;
pBoxPartlyCloudy.Visible = true;
pBoxCloudy.Visible = false;
pBoxStormy.Visible = false;
lblCloudCover.Text = "Partly Cloud";
}
else if (cloud == 3)
{
pBoxSunny.Visible = false;
pBoxPartlyCloudy.Visible = false;
pBoxCloudy.Visible = true;
pBoxStormy.Visible = false;
lblCloudCover.Text = "Full Cloud Cover";
}
else if (cloud == 4)
{
pBoxSunny.Visible = false;
pBoxPartlyCloudy.Visible = false;
pBoxCloudy.Visible = false;
pBoxStormy.Visible = true;
lblCloudCover.Text = "Thunder Showers";
}
}
}
}
}
else //If there is no weather data send the user back to the landing page
{
MessageBox.Show("There is no weather data to display. Please create weather data if you are a forecaster. If you are not please contact/" +
"send an email to the developer", "Weather Data error", MessageBoxButtons.OK, MessageBoxIcon.Error);
Landing ld = new Landing();
ld.Show();
this.Close();
}
}
//This event will capture the weather forecast
private void btnCapture_Click(object sender, EventArgs e)
{
JSONconnection js = new JSONconnection(); //create an object of the JSONconnection class in order to manipulate the JSON file
WeatherModel w = new WeatherModel(); // create a weather object that will capture all the weather information
weath = js.readWeatherFile(); // read all the values in the weather file into a list
bool valid = false;
if (cboCity1.SelectedIndex == -1) // only enter if an item has been selected
{
captureError.SetError(cboCity1, "Please select a city"); // if an item has not been selected display an error message
}
else
{
//check for errors first
if (errorCheck(txtMax) == false) // check if the control is a numeric value and check if it is not empty
{
valid = false; //if there is an error end the event here and return till the error is cleared
return;
}
if (errorCheck(txtMin) == false)
{
valid = false;
return;
}
if (Convert.ToDouble(txtMin) > Convert.ToDouble(txtMax)) // ensure that the minimum temperature is not greater than the maximum
{
captureError.SetError(txtMin, "The minimum temperature cannot be greater than the maximum temperature");
valid = false;
return;
}
if (errorCheck(txtHumid) == false)
{
valid = false;
return;
}
if (errorCheck(txtMin) == false)
{
valid = false;
return;
}
if (errorCheck(txtWind) == false)
{
valid = false;
return;
}
//check the combobox controls for errors
if (cboCloud.SelectedIndex == -1)
{
captureError.SetError(cboCloud, "Please select the cloud cover");
valid = false;
return;
}
else
{
captureError.Clear(); //clear any errors that were created
}
if (cboUvIndex.SelectedIndex == -1)
{
captureError.SetError(cboUvIndex, "Please select the UV index");
valid = false;
return;
}
else
{
captureError.Clear(); //clear any errors that were created
valid = true;
}
if (valid)
{
captureError.Clear(); //clear any previous errors
foreach (WeatherModel v in weath)
{
//check if user wants to overwrite or continue with the operation
if (v.City.Equals(cboCity1.Text) && v.Date == dtpDate.Value.Date) //check if there is already a value with the same date
{
//if a value already exits for the this city and date, ask the user if they would like to overide
DialogResult dr = MessageBox.Show("Values already exits for this city on this day. Would you like to overwrite?", "", MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation);
if (dr == DialogResult.Yes)
{
//Add all the values to the weather object
w.City = cboCity1.Text;
w.Date = dtpDate.Value.Date;
w.Max = Convert.ToDouble(txtMax.Text);
w.Min = Convert.ToDouble(txtMin.Text);
w.Humidity = Convert.ToDouble(txtHumid.Text);
w.Precipitation = Convert.ToDouble(txtPrecip.Text);
w.Wind = Convert.ToDouble(txtWind.Text);
w.CloudCover = cboCloud.SelectedIndex;
w.UvIndex = cboUvIndex.Text;
if (radCelsius.Checked == true)
{
w.IsCelsius = true;
}
else
{
w.IsCelsius = false;
}
if (js.overwriteFile(w)) //overwrite the existing value if the user has chosen to update
{
MessageBox.Show("Data overwritten successfully");
cboCity1.SelectedIndex = -1;
txtMax.Clear();
txtMin.Clear();
txtHumid.Clear();
txtPrecip.Clear();
txtWind.Clear();
cboCloud.SelectedIndex = -1;
cboUvIndex.SelectedIndex = -1;
}
else
{
MessageBox.Show("There was an error with the request", "Overwrite error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
valid = false;
break; //break the foreach
}
else
{
//if the user doesnt want to overwrite, clear all the fields
cboCity1.SelectedIndex = -1;
txtMax.Clear();
txtMin.Clear();
txtHumid.Clear();
txtPrecip.Clear();
txtWind.Clear();
cboCloud.SelectedIndex = -1;
cboUvIndex.SelectedIndex = -1;
valid = false; // set valid to false to end this event
break; //break the foreach
}
}
}
//continue if there were no errors and no overwrite request
if (valid)
{
captureError.Clear(); //clear any previous errors
w.City = cboCity1.Text;
w.Date = Convert.ToDateTime(dtpDate.Value.ToShortDateString()); //input the date
w.Max = Convert.ToDouble(txtMax.Text); //convert and input the max value
w.Min = Convert.ToDouble(txtMin.Text); //convert and input
w.Humidity = Convert.ToDouble(txtHumid.Text); //convert and input the data
w.Precipitation = Convert.ToDouble(txtPrecip.Text); //convert and input
w.Wind = Convert.ToDouble(txtWind.Text); //convert the value and input it
w.CloudCover = cboCloud.SelectedIndex; //convert the value and input it
w.UvIndex = cboUvIndex.Text;
if (radCelsius.Checked == true)
{
w.IsCelsius = true;
}
else
{
w.IsCelsius = false;
}
weath.Add(w); // add the object to the list
DialogResult dg = MessageBox.Show("Would you like to add more values", "Enter More", MessageBoxButtons.YesNo);
if (dg == DialogResult.Yes)
{
//reset all the controls and return
cboCity1.SelectedIndex = -1;
txtMax.Clear();
txtMin.Clear();
txtHumid.Clear();
txtPrecip.Clear();
txtWind.Clear();
cboCloud.SelectedIndex = -1;
cboUvIndex.SelectedIndex = -1;
return;
}
else
{
js.writeWeatherFile(weath);
cboCity1.SelectedIndex = -1;
txtMax.Clear();
txtMin.Clear();
txtHumid.Clear();
txtPrecip.Clear();
cboCloud.SelectedIndex = -1;
cboUvIndex.SelectedIndex = -1;
SetAcivePanel(pnlHome);
}
}
}
}
}
}; //This list will feed the combo box and be altered as the users enters more cities
//end of globals
//--------------------------
//Begin events
//-------------------------------
//Begin sign up event
private void btnSignUp_Click(object sender, EventArgs e)
{
//Error check begin
if (errorCheck(txtFname))
{
if (errorCheck(txtSname))
{
if (errorCheck(txtUsername))
{
if (cboCity.SelectedIndex != -1)
{
if (cboUserType.SelectedIndex != -1) //Error check end
{
JSONconnection js = new JSONconnection(); //Create instance of the JSON class to use the JSON methods
//Begin collecting the user info from the textboxes,combo boxes and radio buttons
string username = txtUsername.Text;
string fName = txtFname.Text;
string sName = txtSname.Text;
string pass = txtPassword.Text;
string homeCity = cboCity.Text;
int userType = cboUserType.SelectedIndex;
bool isCelsius;
if (radCelsius.Checked == true)
{
isCelsius = true;
}
else
{
isCelsius = false;
}
//End of collection of user information
if (js.signUp(userType, username, fName, sName, pass, isCelsius, homeCity, cities)) //Send all the collected information to the sign up method, return true if the user was successfully signed up
{
MessageBox.Show(fName + " " + sName + " has been added as " + username); //Tell the user that the sign up was successful
login lg = new login(); //Open the login page so that they can now login
this.Hide();
lg.Show();
}
else
{
MessageBox.Show("User Could not be added... Please try again"); //Let the uwser that there was a problem with the registration, The error has already been displayed to them
//Clear all fields
txtFname.Clear();
txtSname.Clear();
txtPassword.Clear();
txtUsername.Clear();
lstboxCities.Items.Clear();
cboCity.SelectedIndex = -1;
cboUserType.SelectedIndex = -1;
cboExtraCity.SelectedIndex = -1;
}
}
else
{
captureError.SetError(cboCity, "Please select a user type"); //Display error message if the user type was not selected
}
}
else
{
captureError.SetError(cboCity, "Please select a city"); //Display error message if the home town was not selected
}
}
}
}
}
